2月28日拍摄的北京天主教宣武门堂附近。当日，北京出现能见度不足1公里的大雾，全市大部分地区空气质量普遍达6级严重污染，且处于大风蓝色、霾黄色预警中，上游内蒙古中部较大范围沙尘也可能波及北京。新华社记者 陈建力 摄 On February 28, photograph of a Catholic church near the xuanwu gate church in Beijing.On the day,Beijing appears visibility less than 1 km of the fog,Most of the city air quality is generally up to level 6 serious pollution,And in the wind blue/Haze in the yellow warning,Upstream dust in central Inner Mongolia wide range can also be spread to Beijing.Xinhua news agency reporter Chen was taken

    2月28日，游客戴口罩在天安门城楼前参观游览。新华社发（刘长龙 摄）     On February 28,,Visitors wearing a mask in front of tiananmen gate visited.Xinhua hair(LiuChangLong perturbation)

    这是2月28日上午在54路公交车上拍摄的被雾霾笼罩的北京长椿街路口。新华社记者 鲁鹏 摄     It was the morning of February 28, filmed in 54 bus on fog haze shrouded Beijing long street intersection.The xinhua news agency reporters LuPeng perturbation

2月28日，北京街头人们在风中行走。新华社记者 徐子鉴 摄 On February 28,,The streets of Beijing people walking in the wind.The xinhua news agency reporters Xu Zijian perturbation

2月28日，北京街头路人用纱巾阻挡风沙（拼版照片）。新华社记者 徐子鉴 摄 On February 28,,The streets of Beijing passers-by with a gauze block sand(Puzzle photos).The xinhua news agency reporters Xu Zijian perturbation

这是2月28日中午拍摄的被沙尘笼罩的北京宣武门路口。新华社记者 鲁鹏 摄 This is taken at noon on February 28, Beijing xuanwu gate of the crossroads by sand and dust.The xinhua news agency reporters LuPeng perturbation

2月28日，北京街头一名男子在风中骑行。新华社记者 徐子鉴 摄 On February 28,,The streets of Beijing a man riding in the wind.The xinhua news agency reporters Xu Zijian perturbation

    这是在北京市南二环附近拍摄的北京市区景象对比图片，上图为2月28日11时左右摄，下图为1月16日摄（拼版照片）。新华社发（万象 摄）     This was filmed in Beijing near the south 2nd ring of Beijing urban landscape contrast images,Above was the 28th of February 11 PM,Below was taken on January 16th(Puzzle photos).Xinhua hair(Everything is taken)

    2月28日11时左右，行人在北京市南二环附近的天桥上顶风前行。新华社发（万象 摄）     On 28 February 11 PM,Pedestrian overpass near the Beijing south 2nd ring that headwind.Xinhua hair(Everything is taken)

    2月28日11时左右，行人在北京市南二环附近顶风前行。新华社发（万象 摄）     On 28 February 11 PM,Near the pedestrian in the south 2nd ring that headwind.Xinhua hair(Everything is taken)